What is the cheapest airline that flies from Ontario to Duluth Intl?

United Airlines is the most popular carrier operating from Ontario to Duluth Intl

When did momondo last update prices for flights from Ontario Airport to Duluth Intl Airport?

Prices for flights from Ontario Airport to Duluth Intl Airport were last updated today.

How old do you have to be to fly from Ontario Airport to Duluth Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Duluth Intl Airport.

What documentation or ID do you need to fly to Duluth Intl Airport?

The travel and health documents required for your trip to Duluth Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Duluth Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$289 Cheap Flights from Ontario to Duluth in 2025

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0 bags

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Find the cheapest flights from Ontario to Duluth

Round-trip

One-way

Cheap round-trip flights

6:50 pm - 10:45 amONT-DLH

13h 55m2 stops

3:10 pm - 10:30 pmDLH-ONT

9h 20m1 stop

$350United Airlines

Find Deal

Wed, Sep 10 - Wed, Sep 17

9:50 am - 7:20 pmONT-DLH

7h 30m2 stops

5:10 am - 12:14 pmDLH-ONT

9h 04m2 stops

$389Delta

Find Deal

Sat, Aug 16 - Tue, Aug 26

7:00 am - 6:30 pmONT-DLH

9h 30m1 stop

3:10 pm - 10:30 pmDLH-ONT

9h 20m1 stop

$397United Airlines

Find Deal

Wed, Sep 10 - Wed, Sep 17

7:00 am - 6:30 pmONT-DLH

9h 30m1 stop

3:10 pm - 10:30 pmDLH-ONT

9h 20m1 stop

$456United Airlines

Find Deal

Wed, Sep 17 - Tue, Sep 23

7:00 am - 6:30 pmONT-DLH

9h 30m1 stop

8:00 am - 8:33 pmDLH-ONT

14h 33m2 stops

$462United Airlines

Find Deal

Wed, Sep 17 - Tue, Sep 23

7:00 am - 6:30 pmONT-DLH

9h 30m1 stop

11:20 am - 8:43 pmDLH-ONT

11h 23m2 stops

$463United Airlines

Find Deal

Wed, Sep 17 - Mon, Sep 22

6:50 pm - 10:45 amONT-DLH

13h 55m2 stops

11:20 am - 8:43 pmDLH-ONT

11h 23m2 stops

$467United Airlines

Find Deal

Wed, Sep 17 - Tue, Sep 23

6:50 pm - 10:45 amONT-DLH

13h 55m2 stops

11:20 am - 8:43 pmDLH-ONT

11h 23m2 stops

$468United Airlines

Find Deal

Wed, Sep 17 - Mon, Sep 22

7:00 am - 6:30 pmONT-DLH

9h 30m1 stop

9:45 am - 8:43 pmDLH-ONT

12h 58m2 stops

$513United Airlines

Find Deal

Wed, Sep 10 - Sat, Sep 13

5:40 pm - 10:02 amONT-DLH

14h 22m2 stops

5:18 am - 12:16 pmDLH-ONT

8h 58m2 stops

$528Delta

Find Deal

Fri, Oct 3 - Tue, Oct 14

Delta flights from Ontario to Duluth

Our best Delta deals on Ontario to Duluth flight tickets

Delta

Aug 16

ONT9:50 amOntario

7h 30m

2 stops

DLH7:20 pmDuluth Intl

Aug 26

DLH5:10 amDuluth Intl

9h 04m

2 stops

ONT12:14 pmOntario

$389

Find similar

Delta

Oct 3

ONT5:40 pmOntario

14h 22m

2 stops

DLH10:02 amDuluth Intl

Oct 14

DLH5:18 amDuluth Intl

8h 58m

2 stops

ONT12:16 pmOntario

$528

Find similar

Delta

Sep 10

ONT6:05 pmOntario

14h 02m

2 stops

DLH10:07 amDuluth Intl

Sep 17

DLH10:50 amDuluth Intl

10h 25m

2 stops

ONT7:15 pmOntario

$539

Find similar

United Airlines flights from Ontario to Duluth

Our best United Airlines deals on Ontario to Duluth flight tickets

United Airlines

Sep 10

ONT6:50 pmOntario

13h 55m

2 stops

DLH10:45 amDuluth Intl

Sep 17

DLH3:10 pmDuluth Intl

9h 20m

1 stop

ONT10:30 pmOntario

$350

Find similar

United Airlines

Sep 10

ONT7:00 amOntario

9h 30m

1 stop

DLH6:30 pmDuluth Intl

Sep 17

DLH3:10 pmDuluth Intl

9h 20m

1 stop

ONT10:30 pmOntario

$397

Find similar

United Airlines

Sep 17

ONT7:00 amOntario

9h 30m

1 stop

DLH6:30 pmDuluth Intl

Sep 23

DLH3:10 pmDuluth Intl

9h 20m

1 stop

ONT10:30 pmOntario

$456

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioDuluth

ONT - DLH

ONTDLH

Ontario

Wed 9/10

6:50 pm-10:45 am

2 stops13h 55m

Duluth Intl

Wed 9/17

3:10 pm-10:30 pm

1 stop9h 20m

$350

OntarioDuluth

ONT - DLH

ONTDLH

Ontario

Sat 8/16

9:50 am-7:20 pm

2 stops7h 30m

Duluth Intl

Tue 8/26

5:10 am-12:14 pm

2 stops9h 04m

$389

OntarioDuluth

ONT - DLH

ONTDLH

Ontario

Wed 9/10

7:00 am-6:30 pm

1 stop9h 30m

Duluth Intl

Wed 9/17

3:10 pm-10:30 pm

1 stop9h 20m

$397

OntarioDuluth

ONT - DLH

ONTDLH

Ontario

Wed 9/17

7:00 am-6:30 pm

1 stop9h 30m

Duluth Intl

Tue 9/23

3:10 pm-10:30 pm

1 stop9h 20m

$456

OntarioDuluth

ONT - DLH

ONTDLH

Ontario

Wed 9/17

7:00 am-6:30 pm

1 stop9h 30m

Duluth Intl

Tue 9/23

8:00 am-8:33 pm

2 stops14h 33m

$462

OntarioDuluth

ONT - DLH

ONTDLH

Ontario

Wed 9/17

7:00 am-6:30 pm

1 stop9h 30m

Duluth Intl

Mon 9/22

11:20 am-8:43 pm

2 stops11h 23m

$463

OntarioDuluth

ONT - DLH

ONTDLH

Ontario

Wed 9/17

6:50 pm-10:45 am

2 stops13h 55m

Duluth Intl

Tue 9/23

11:20 am-8:43 pm

2 stops11h 23m

$467

OntarioDuluth

ONT - DLH

ONTDLH

Ontario

Wed 9/17

6:50 pm-10:45 am

2 stops13h 55m

Duluth Intl

Mon 9/22

11:20 am-8:43 pm

2 stops11h 23m

$468

OntarioDuluth

ONT - DLH

ONTDLH

Ontario

Wed 9/10

7:00 am-6:30 pm

1 stop9h 30m

Duluth Intl

Sat 9/13

9:45 am-8:43 pm

2 stops12h 58m

$513

OntarioDuluth

ONT - DLH

ONTDLH

Ontario

Fri 10/3

5:40 pm-10:02 am

2 stops14h 22m

Duluth Intl

Tue 10/14

5:18 am-12:16 pm

2 stops8h 58m

$528

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Duluth

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Duluth?

The cheapest day to depart from Ontario to Duluth is on a Tuesday when prices can be found for as low as $287. On the other hand, Sunday is the most expensive day to depart from Ontario because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $737.

What is the cheapest time of day to depart on your flight to Duluth?

Flying to Duluth from Ontario in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $358 when looking at flights departing in the afternoon. In contrast, the most expensive time of day to depart to Duluth is in the morning when prices are around $531.

When to book flights from Ontario to Duluth

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Duluth according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Ontario to Duluth (ONT to DLH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Duluth

Best Price Found	$289
Fastest flight time	7h 29m
Direct flights	None
Airports in Duluth	1 airport

The best one-way flight to Duluth from Ontario in the past 72 hours is $289. The best round-trip flight deal from Ontario to Duluth found on momondo in the last 72 hours is $350.

The fastest flight from Ontario to Duluth takes 7h 29m

There are no direct flights from Ontario to Duluth. Popular non-direct route for this connection is Ontario Airport - Duluth Intl Airport.

There is 1 airport near Duluth: Duluth Intl (DLH)

Search flight deals

How far is Ontario to Duluth Intl by plane?
Duluth Intl is 1593.1 mi away from Ontario. Typically, this will take 7h 29m by plane in normal conditions.
When did momondo last update prices for flights from Ontario Airport to Duluth Intl Airport?
Prices for flights from Ontario Airport to Duluth Intl Airport were last updated today.
How old do you have to be to fly from Ontario Airport to Duluth Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Duluth Intl Airport.
What documentation or ID do you need to fly to Duluth Intl Airport?
The travel and health documents required for your trip to Duluth Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Duluth Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Two Harbors

Hayward

Superior

Cloquet

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Duluth?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Duluth from Ontario.

Can I find flights from Ontario to Duluth with flexible booking policies on momondo?

All flight searches from Ontario to Duluth on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ontario to Duluth?

Once you have performed a search for Ontario to Duluth flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Ontario to Duluth right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ontario to Duluth flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.